Tons of other upgrade options: (upgrade options include increasing the S475 turbo up to an S480 Call for details.)

Lightning Fast Spool-Up. Diesel Power Source, Stocker Twin / Compound Turbo Kit, performs excellent when Racing, Towing, or Sled Pulling, but is so very driveable. SPOOL UP IS BETTER THAN STOCK, while raising airflow significantly. You'll be amazed how well your little stock turbo runs in this twin kit.

EGT's are typically reduced by 250-400 degrees, over a stock turbocharger.

Horsepower, and torque are increased throughout the entire RPM band, and significantly increased in mid and upper range.

Specifically tuned for stock horsepower up to 650 horsepower applications.

Reasons Why Our Compound Turbos Work So Well

The air entering the cylinders is cooler, because dual compressors work together within their most efficient zone. The boost air is typically over 100 cooler than from a single turbo.

The air entering the cylinder is at higher pressure, bringing the boost pressure and exhaust drive pressures near a 1:1 ratio. The intake stroke can actually produce power.

There are additional air molecules in the cylinder which do not get involved in combustion which carry the heat out of the cylinder (similar to how a jet engine is cooler).

It has more complete combustion in the cylinders because there’s more air in the cylinder to burn all of the fuel.

This twin turbo 5.9 cummins is the perfect turbo upgrade for dodge cummins. This Twin/Compound Turbo Kit was designed on cutting edge CAD/CAM Software, using CFD (Computational Fluid Dynamics) Testing. You will not find a more high tech kit on the market today. Everything fits like it was built from the factory.

Note: The following test results are on our HT3B Twin Kit (the S475-S483 Twin Kits yield even better results).

EGT TEST RESULTS: The following test results were to test different single turbochargers against our Twin Turbo Kit (this test was on our HT3B twin kit which has less air flow than the S400 series kits). Each test consisted of a sustained 400hp dyno pull. The test truck was brought up to a 400hp on the dyno, and then loaded to hold a sustained loaded pull, equal to pulling a trailer up a grade using 400 hp. The EGT's were read pre-turbo. The results follow:

Question 1: If you already have a competitor’s turbo (ie. BD, Phat Shaft, Arora) or an S400, can you use it on this kit.

Answer 1: Possibly. give us a call and we can let you know.

Please send any other questions. --Thanks Diesel Power Source.

** 1-Year, Limited Warranty.

** The standard kit includes an S475. (Add $400 for and S480 (80mm) Upgrade.

** On 3rd Gen trucks, head studs are highly recommended for boost pressure over 55 psi, and fire rings recommended for boost pressure over 65 psi. This system is capable of well over 55 psi, but is adjustable depending on truck.

** Most S300 turbos can be used in this kit.

***There are a few modifications we have you make to your stock turbo to work with this kit, the modifications will still allow the stock turbo to be used as a stock turbo if you decide to in the future.

1-Year, Limited Warranty.

Free shipping to the lower 48 states. When shipping to anywhere outside of the lower 48 states, additional shipping fees may apply.

Tons of other upgrade options: (upgrade options include increasing the S475 turbo up to an S480 Call for details.)

Lightning Fast Spool-Up. Diesel Power Source, Stocker Twin / Compound Turbo Kit, performs excellent when Racing, Towing, or Sled Pulling, but is so very driveable. SPOOL UP IS BETTER THAN STOCK, while raising airflow significantly. You'll be amazed how well your little stock turbo runs in this twin kit.

EGT's are typically reduced by 250-400 degrees, over a stock turbocharger.

Horsepower, and torque are increased throughout the entire RPM band, and significantly increased in mid and upper range.

Specifically tuned for stock horsepower up to 650 horsepower applications.

Reasons Why Our Compound Turbos Work So Well

The air entering the cylinders is cooler, because dual compressors work together within their most efficient zone. The boost air is typically over 100 cooler than from a single turbo.

The air entering the cylinder is at higher pressure, bringing the boost pressure and exhaust drive pressures near a 1:1 ratio. The intake stroke can actually produce power.

There are additional air molecules in the cylinder which do not get involved in combustion which carry the heat out of the cylinder (similar to how a jet engine is cooler).

It has more complete combustion in the cylinders because there’s more air in the cylinder to burn all of the fuel.

This twin turbo 5.9 cummins is the perfect turbo upgrade for dodge cummins. This Twin/Compound Turbo Kit was designed on cutting edge CAD/CAM Software, using CFD (Computational Fluid Dynamics) Testing. You will not find a more high tech kit on the market today. Everything fits like it was built from the factory.

Note: The following test results are on our HT3B Twin Kit (the S475-S483 Twin Kits yield even better results).

EGT TEST RESULTS: The following test results were to test different single turbochargers against our Twin Turbo Kit (this test was on our HT3B twin kit which has less air flow than the S400 series kits). Each test consisted of a sustained 400hp dyno pull. The test truck was brought up to a 400hp on the dyno, and then loaded to hold a sustained loaded pull, equal to pulling a trailer up a grade using 400 hp. The EGT's were read pre-turbo. The results follow:

Question 1: If you already have a competitor’s turbo (ie. BD, Phat Shaft, Arora) or an S400, can you use it on this kit.

Answer 1: Possibly. give us a call and we can let you know.

Please send any other questions. --Thanks Diesel Power Source.

** 1-Year, Limited Warranty.

** The standard kit includes an S475. (Add $400 for and S480 (80mm) Upgrade.

** On 3rd Gen trucks, head studs are highly recommended for boost pressure over 55 psi, and fire rings recommended for boost pressure over 65 psi. This system is capable of well over 55 psi, but is adjustable depending on truck.

** Most S300 turbos can be used in this kit.

***There are a few modifications we have you make to your stock turbo to work with this kit, the modifications will still allow the stock turbo to be used as a stock turbo if you decide to in the future.

1-Year, Limited Warranty.

Free shipping to the lower 48 states. When shipping to anywhere outside of the lower 48 states, additional shipping fees may apply.